Wyoming Dams
1,490 dams tracked by the National Inventory of Dams
Total Dams
1,490
High Hazard
100
6.7%
Poor / Unsatisfactory
576
Average Age
62 yrs
Hazard Classification
High100 (6.7%)
Significant104 (7.0%)
Low1,283 (86.1%)
Condition Assessment
Satisfactory45 (3.0%)
Fair752 (50.5%)
Poor / Unsatisfactory576 (38.7%)
Not Rated117 (7.9%)
Federal
193
State
22
Local
82
Private
1,174
Tallest Dams
- Buffalo Bill Dam350 ft
- Seminoe Dam295 ft
- Alcova Dam265 ft
- Kortes Dam244 ft
- Boysen Dam220 ft
High Hazard Dams
- Buffalo Bill DamHigh
- Seminoe DamHigh
- Alcova DamHigh
- Kortes DamHigh
- Boysen DamHigh
Poor Condition Dams
- LapreleUnsatisfactory
- Upper Van TassellPoor
- Hawk SpringsPoor
- EastgatePoor
- BischoffPoor
All Dams in Wyoming
Showing 626–650 of 752
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Chamberlain No. 1 Converse County | 27 | 1965 | Significant | Fair |
| Challis Crook County | 24 | 1914 | Low | Fair |
| Cedar Gulch Sheridan County | 35 | 2005 | Low | Fair |
| Cedar Draw Sheridan County | 33 | 2004 | Low | Fair |
| Cavender Albany County | 12 | 1924 | Low | Fair |
| Cavender Albany County | 15 | 1943 | Low | Fair |
| Catwalk Sheridan County | 31 | — | Low | Fair |
| Casper Sage Creek Natrona County | 40 | 1952 | Significant | Fair |
| Casper Parks No.2 Natrona County | 24 | 1988 | Significant | Fair |
| Casper Parks No. 1 Natrona County | 25 | 1987 | Low | Fair |
| Case 4777-27 Mixed Use #1 Johnson County | 28 | 2024 | Low | Fair |
| Carr Springs Fremont County | 30 | — | Low | Fair |
| Carroll No. 1 Natrona County | 24 | 1946 | Low | Fair |
| Carrico No. 1 Niobrara County | 27 | 1959 | Low | Fair |
| Carey Detention Laramie County | 22 | 1984 | High | Fair |
| Canyon Creek Evaporation Facility Sweetwater County | 12 | 2014 | Low | Fair |
| Canon No. 5 Albany County | 45 | 1963 | Low | Fair |
| Canon No. 4 Albany County | 34 | 1959 | Low | Fair |
| Canon No. 3 Albany County | 28 | 1952 | Low | Fair |
| Canon No. 1 Albany County | 33 | 1952 | Low | Fair |
| Campbell No. 2 Niobrara County | 23 | 1963 | Low | Fair |
| Calpet Cell #9 Sublette County | 47 | 2008 | Low | Fair |
| Calpet Cell #8 Sublette County | 28 | 2006 | Low | Fair |
| Calpet Cell #7 Sublette County | 27 | 2006 | Low | Fair |
| Caesar Campbell County | 33 | 2008 | Low | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.